﻿Public Class _Default
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

    End Sub

    Protected Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim firstnumber As Double
        Dim secondnumber As Double
        Dim total As Double
        firstnumber = CDbl(first_number.Text)
        secondnumber = CDbl(second_number.Text)
        total = firstnumber + secondnumber
        Label1.Text = CSng(total)
    End Sub
End Class